參數(shù)資料
型號(hào)： ACE9040
廠商： Mitel Networks Corporation
英文描述： Audio Processor Advance Information
中文描述： 音頻處理器進(jìn)展信息
文件頁(yè)數(shù)： 4/33頁(yè)
文件大?。?/td> 335K
代理商： ACE9040
4
ACE9040
Characteristic
Symbol
Value
Typ.
Unit
Conditions
Min.
Max.
Supply Current and Power Down Modes
Operating supply current
I
DD
15
mA
mA
V
DD
= 4.85 V R
REF
= 100 k
V
DD
= 3.75 V R
REF
= 68 k
15
Standby
Attenuation of all inputs signals
Wakeup response time
Sleep (Standby with CLK stopped)
Supply current*
Delay between setting STBY bit and
stopping clock
Delay to starting clock after wakeup
40
dB
ms
10
I
DD(SLEEP)
200
μ
A
μ
s
STBY bit set V
DD
= 3.75
20
100
μ
s
Characteristic
Value
Typ.
Unit
Conditions
Min.
Max.
Transmission Path
Microphone Amp, MI to SLO pins
Input bias
Microphone input gain (LO)
Microphone input gain (HI)
Microphone crosstalk (no MI signal)
Line input, LI to SLO pins
Input bias
LI input Gain (0dB)
LI input Gain (LO)
LI input gain (HI)
LI input crosstalk (no LI signal)
Soft Deviation Limiter, LI to SLO pins
Nominal gain
Attenuation range
Attenuation steps
Distortion
Attack level:Hard limiter output
Attack level at TBPO pin
V
DD
/2
22
32
Internal 150 k
bias resistor to V
DD
/2
MIS = 1, MLI = 0, MIG = 0
MIS = 1, MLI = 0, MIG = 1
MIS = 1, MLI = 0, MIG = 1
21
31
23
33
– 40
dB
dB
dB
V
DD
/2
Internal 100 k
bias resistor
MIS = 0, MLI = 0, MIG = 0
MIS = 1, MLI = 1, MIG = 0
MIS = 1, MLI = 1, MIG = 1
MIS = 1, MLI = 1, MIG = 1
– 0.5
21
31
0.5
23
33
– 40
dB
dB
dB
dB
22
32
0
dB
dB
dB
%THD
% V
DD
% V
DD
Limiter not functioning.
– 30
0.27
– 29
0.67
2
97
0.5
Output at 1 Vrms
3
92
d.c. input at IPS
TEST[1:0] = 11
Per gain step when signal outside
threshold
Per gain step
Attack time
40
μ
s
Decay time
INPSENSE Gain Stage, IPS to TBPO pins
Nominal gain
1.68
ms
7.5
8
8.5
dB
Input = 100 mV
rms,
INPS[4:0] = 15, THF = 0 dB,
Relative to nominal gain
Input = 100 mV
rms,
INPS[4:0] = 0 to 31, THF = 0 dB
Gain adjustment range
– 12
12.8
dB
Gain step size
Note 1. 100% production tested at 25
°
C but guaranteed over specified temperature range.
0.6
0.8
1.2
dB
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1):
T
AMB
= – 40
°
C to + 85
°
C, V
DD
= 3.6 V to 5.0 V
* Standby current measured with the 1.008 MHz clock stopped and SCLK at a level <200 mV.
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